Ace Pharmaceutical has developed a drug that it believes will help lower cholesterol and blood pressure at a significantly greater rate than fish oil. Researchers wish to test the new drug and compare the results to those of fish oil and of a placebo. A total of 300 volunteers suffering from hypertension and high cholesterol will participate in the study.
A. Explain how you would carry out this test in a completely randomized experiment.
B. Describe a specific method you could use to randomly assign subjects to groups.
C. Explain how you could use blocking to modify the design from part A. Be sure to state why you chose the blocking method you did.